'Plus, the unit doesn't power down automatically when you shut the car off, adding another extra step to the process, or leaving you with a dead battery more often than you'd like. '

'Generous database of 7 million POIs. '

'The new "50" series models also include TomTom's "IQ Routes," which calculates fastest routes and travel times based on historical data for road travel speeds rather than posted speed limits, and one of my favorites, Advanced Lane Guidance, which speaks and clearly displays the correct lane for your next turn on a multi-lane highway.'